/* ===== Theme variables ===== */
:root,
[data-theme="noir"] {
    --bg: #f4f4f6;
    --card-bg: #ffffff;
    --surface: #f4f4f6;
    --header-bg: #0b0b0c;
    --header-text: #ffffff;
    --header-sub: #d4d4d8;
    --text: #0b0b0c;
    --text-muted: #6e6e73;
    --border: #e6e6e9;
    --input-bg: #f4f4f6;
    --accent: #0b0b0c;
    --accent-text: #ffffff;
    --bubble-bg: #ffffff;
    --bubble-border: #e6e6e9;
}

[data-theme="paper"] {
    --bg: #f7f3ec;
    --card-bg: #fffdf9;
    --surface: #f3ede2;
    --header-bg: #2b2520;
    --header-text: #fdfaf4;
    --header-sub: #cbbfa9;
    --text: #2b2520;
    --text-muted: #8a7d68;
    --border: #e8dfcd;
    --input-bg: #f3ede2;
    --accent: #2b2520;
    --accent-text: #fdfaf4;
    --bubble-bg: #fffdf9;
    --bubble-border: #e8dfcd;
}

[data-theme="midnight"] {
    --bg: #0d0d0f;
    --card-bg: #16161a;
    --surface: #101013;
    --header-bg: #000000;
    --header-text: #f2f2f4;
    --header-sub: #8a8a90;
    --text: #f2f2f4;
    --text-muted: #9a9aa0;
    --border: #26262b;
    --input-bg: #1c1c20;
    --accent: #f2f2f4;
    --accent-text: #0d0d0f;
    --bubble-bg: #1c1c20;
    --bubble-border: #2a2a30;
}

[data-theme="ocean"] {
    --bg: #eef2f6;
    --card-bg: #ffffff;
    --surface: #e8eef3;
    --header-bg: #0f2742;
    --header-text: #eaf2fb;
    --header-sub: #9db8d1;
    --text: #10243a;
    --text-muted: #5b7895;
    --border: #d7e3ee;
    --input-bg: #e8eef3;
    --accent: #1f6fb2;
    --accent-text: #ffffff;
    --bubble-bg: #ffffff;
    --bubble-border: #d7e3ee;
}

[data-theme="sunset"] {
    --bg: #fdf2ec;
    --card-bg: #fffaf7;
    --surface: #fbe9e0;
    --header-bg: #c1452b;
    --header-text: #fff7f2;
    --header-sub: #f0c4b4;
    --text: #3a221a;
    --text-muted: #9c6a55;
    --border: #f3d9cb;
    --input-bg: #fbe9e0;
    --accent: #e0592f;
    --accent-text: #ffffff;
    --bubble-bg: #fffaf7;
    --bubble-border: #f3d9cb;
}

:root {
    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.10);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: background 0.2s ease, color 0.2s ease;
}

a { color: inherit; text-decoration: none; }

/* ---------- Auth pages (login / register) ---------- */

.auth-screen {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    background: var(--card-bg);
    width: 100%;
    max-width: 380px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    padding: 36px 32px;
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
}

.auth-brand .mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--accent);
    color: var(--accent-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
}

.auth-brand .name {
    font-weight: 700;
    font-size: 17px;
    letter-spacing: -0.2px;
}

.auth-card h1 {
    font-size: 21px;
    margin: 0 0 6px;
    letter-spacing: -0.3px;
}

.auth-card p.subtitle {
    color: var(--text-muted);
    font-size: 13.5px;
    margin: 0 0 24px;
}

.field { margin-bottom: 14px; }

.field label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.field input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.field input:focus {
    border-color: var(--accent);
    background: var(--card-bg);
}

.btn-primary {
    width: 100%;
    padding: 12px 14px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: var(--accent-text);
    font-weight: 600;
    font-size: 14.5px;
    cursor: pointer;
    margin-top: 6px;
    transition: opacity 0.15s ease;
}

.btn-primary:hover { opacity: 0.85; }

.google-login {
    display: flex; align-items: center; justify-content: center; gap: 12px;
    width: 100%; min-height: 48px; padding: 10px 16px; border-radius: 14px;
    border: 1px solid var(--border); background: color-mix(in srgb, var(--card-bg) 82%, white 18%);
    color: var(--text); font-size: 14px; font-weight: 650;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.65), 0 5px 16px rgba(25,35,55,.06);
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.google-login:hover { transform: translateY(-1px); box-shadow: inset 0 1px 0 rgba(255,255,255,.7), 0 9px 22px rgba(25,35,55,.10); }
.google-mark { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; font: 800 17px Arial,sans-serif; color: #4285f4; background: conic-gradient(from -45deg,#4285f4 0 26%,#34a853 26% 49%,#fbbc05 49% 70%,#ea4335 70% 87%,#4285f4 87%); -webkit-background-clip: text; background-clip: text; }
.auth-divider { display: flex; align-items: center; gap: 12px; margin: 18px 0; color: var(--text-muted); font-size: 11px; }
.auth-divider::before, .auth-divider::after { content: ""; height: 1px; flex: 1; background: var(--border); }

.auth-foot {
    text-align: center;
    margin-top: 18px;
    font-size: 13px;
    color: var(--text-muted);
}

.auth-foot a {
    font-weight: 600;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

.alert {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    color: var(--text);
    font-size: 13px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

.alert.success { border-left-color: #34c759; }

/* ---------- Shared: avatar / dropdown menu ---------- */

.avatar-circle {
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--text-muted);
    color: var(--card-bg);
}

.avatar-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.menu-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 4px 8px 4px 4px;
    border-radius: 20px;
    transition: background 0.15s ease;
    position: relative;
}

.menu-trigger:hover { background: rgba(255, 255, 255, 0.08); }

.menu-trigger .chev {
    font-size: 9px;
    color: var(--header-sub);
}

.dropdown-wrap { position: relative; }

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    min-width: 180px;
    padding: 6px;
    display: none;
    z-index: 50;
}

.dropdown-menu.open { display: block; }

.dropdown-menu a, .dropdown-menu button.dd-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    text-align: left;
    padding: 9px 10px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    color: var(--text);
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.dropdown-menu a:hover, .dropdown-menu button.dd-item:hover {
    background: var(--surface);
}

.dropdown-menu .dd-icon {
    width: 16px;
    text-align: center;
    opacity: 0.7;
}

.dropdown-menu hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 6px 2px;
}

.dropdown-menu .dd-danger { color: #d23b32; }

/* ---------- Lobby (room list) ---------- */

.lobby-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.lobby-card {
    background: var(--card-bg);
    width: 100%;
    max-width: 460px;
    max-height: 88vh;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: visible;
}

.lobby-header {
    padding: 16px 18px;
    background: var(--header-bg);
    color: var(--header-text);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.lobby-header .title {
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -0.2px;
}

.lobby-header .menu-trigger .uname {
    font-size: 12.5px;
    color: var(--header-sub);
}

.room-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px 12px;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.room-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 10px;
    border-radius: var(--radius-md);
    transition: background 0.15s ease;
}

.room-row:hover { background: var(--surface); }

.room-row .room-icon {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    color: var(--text);
    flex-shrink: 0;
    overflow: hidden;
}

.room-row .room-icon img { width: 100%; height: 100%; object-fit: cover; }

.room-row .room-meta { flex: 1; min-width: 0; }

.room-row .room-name {
    font-weight: 600;
    font-size: 14.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.room-row .room-sub {
    font-size: 12px;
    color: var(--text-muted);
}

.empty-rooms {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    padding: 40px 20px;
}

.lobby-footer {
    padding: 14px 16px;
    border-top: 1px solid var(--border);
    background: var(--card-bg);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.lobby-footer .new-room-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.lobby-footer input[type="text"] {
    flex: 1;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 13.5px;
    background: var(--input-bg);
    color: var(--text);
    outline: none;
}

.lobby-footer input[type="text"]:focus {
    border-color: var(--accent);
    background: var(--card-bg);
}

.lobby-footer button {
    border: none;
    padding: 11px 18px;
    border-radius: 20px;
    background: var(--accent);
    color: var(--accent-text);
    font-weight: 600;
    font-size: 13.5px;
    cursor: pointer;
    white-space: nowrap;
}

.icon-picker-label {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    border: 1px dashed var(--border);
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--text-muted);
    cursor: pointer;
    flex-shrink: 0;
    overflow: hidden;
}

.icon-picker-label img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Chat room ---------- */

.chat-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.chat-container {
    background: var(--card-bg);
    width: 100%;
    max-width: 500px;
    height: 90vh;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: visible;
}

.chat-header {
    background: var(--header-bg);
    color: var(--header-text);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.chat-header .back-link {
    color: var(--header-sub);
    font-size: 19px;
    line-height: 1;
    padding: 4px;
}

.chat-header .room-icon-sm {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    overflow: hidden;
    flex-shrink: 0;
}

.chat-header .room-icon-sm img { width: 100%; height: 100%; object-fit: cover; }

.chat-header .room-title-wrap { flex: 1; min-width: 0; }

.chat-header .room-title {
    font-weight: 700;
    font-size: 15px;
    letter-spacing: -0.2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-header .room-sub {
    font-size: 11px;
    color: var(--header-sub);
}

.chat-box {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: var(--surface);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-box::-webkit-scrollbar { width: 6px; }
.chat-box::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.empty-state {
    color: var(--text-muted);
    text-align: center;
    font-size: 13px;
    margin-top: 30px;
}

.msg-row {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    max-width: 85%;
}

.msg-row.own { align-self: flex-end; flex-direction: row-reverse; }

.msg-row .mini-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--text-muted);
    color: var(--card-bg);
    font-size: 10.5px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.msg-row .mini-avatar img { width: 100%; height: 100%; object-fit: cover; }

.msg-bubble {
    background: var(--bubble-bg);
    border: 1px solid var(--bubble-border);
    color: var(--text);
    padding: 9px 13px;
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.45;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.msg-row.own .msg-bubble {
    background: var(--accent);
    color: var(--accent-text);
    border-color: var(--accent);
}

.msg-bubble .name-tag {
    font-weight: 700;
    font-size: 11.5px;
    display: block;
    margin-bottom: 2px;
    color: var(--text-muted);
}

.msg-row.own .msg-bubble .name-tag { color: var(--accent-text); opacity: 0.75; }

.msg-bubble .time-tag {
    font-size: 10px;
    color: var(--text-muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    margin-left: 6px;
}

.msg-row.own .msg-bubble .time-tag { color: var(--accent-text); opacity: 0.65; }

.chat-img {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--radius-sm);
    margin-top: 6px;
    display: block;
    cursor: pointer;
}

.input-area {
    padding: 12px;
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.form-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

input[type="text"].msg-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 24px;
    font-size: 14px;
    background: var(--input-bg);
    color: var(--text);
    outline: none;
    transition: border-color 0.15s ease, background 0.15s ease;
}

input[type="text"].msg-input:focus {
    border-color: var(--accent);
    background: var(--card-bg);
}

.btn-send {
    border: none;
    padding: 11px 20px;
    border-radius: 22px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    background: var(--accent);
    color: var(--accent-text);
    transition: opacity 0.15s ease;
}

.btn-send:hover { opacity: 0.85; }

.file-label {
    background: var(--surface);
    color: var(--text-muted);
    border: 1px solid var(--border);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.15s ease;
}

.file-label:hover { background: var(--border); }

#file-input { display: none; }

/* ---------- Settings page ---------- */

.settings-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.settings-card {
    background: var(--card-bg);
    width: 100%;
    max-width: 460px;
    max-height: 88vh;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.settings-header {
    background: var(--header-bg);
    color: var(--header-text);
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.settings-header .back-link {
    color: var(--header-sub);
    font-size: 19px;
}

.settings-header .title {
    font-weight: 700;
    font-size: 16px;
}

.settings-body {
    flex: 1;
    overflow-y: auto;
    padding: 22px;
}

.settings-section { margin-bottom: 28px; }

.settings-section h2 {
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
    margin: 0 0 14px;
}

.avatar-upload-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatar-upload-row .avatar-circle {
    width: 64px;
    height: 64px;
    font-size: 22px;
}

.avatar-upload-row .upload-btn {
    padding: 9px 16px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.theme-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.theme-option {
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px;
    cursor: pointer;
    background: var(--surface);
    transition: border-color 0.15s ease, transform 0.1s ease;
}

.theme-option:hover { transform: translateY(-1px); }

.theme-option.active { border-color: var(--accent); }

.theme-swatch {
    height: 44px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    display: flex;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.06);
}

.theme-swatch span { flex: 1; }

.theme-option .theme-label {
    font-size: 12.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.theme-option .check {
    font-size: 11px;
    color: var(--accent);
    visibility: hidden;
}

.theme-option.active .check { visibility: visible; }

/* ---------- Responsive: small / Chromebook-class screens ---------- */

html, body { overflow-x: hidden; }

@media (max-width: 640px) {
    .chat-screen, .lobby-screen, .settings-screen { padding: 0; }

    .chat-container, .lobby-card, .settings-card {
        max-width: 100%;
        height: 100vh;
        height: 100dvh;
        border-radius: 0;
        border: none;
        box-shadow: none;
    }

    .chat-header, .lobby-header, .settings-header {
        border-radius: 0;
    }

    .input-area, .room-list { border-radius: 0; }

    .auth-screen { padding: 16px; }
    .auth-card { padding: 28px 22px; }
}

@media (max-width: 380px) {
    .room-row .room-sub { display: none; }
    .chat-header .room-sub { display: none; }
    .msg-row { max-width: 92%; }
    .lobby-footer input[type="text"] { font-size: 13px; }
}

@media (min-height: 0) and (max-height: 600px) {
    .chat-container, .lobby-card { height: 96vh; height: 96dvh; }
    .settings-card { max-height: 96vh; max-height: 96dvh; }
}

/* ---------- Settings: tabbed layout ---------- */

.settings-card { max-width: 560px; }

.settings-shell {
    display: flex;
    flex: 1;
    min-height: 0;
}

.settings-nav {
    width: 168px;
    flex-shrink: 0;
    border-right: 1px solid var(--border);
    padding: 14px 8px;
    overflow-y: auto;
}

.settings-nav button {
    display: flex;
    align-items: center;
    gap: 9px;
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    border: none;
    background: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    font-family: inherit;
    margin-bottom: 2px;
}

.settings-nav button .nav-icon { width: 16px; text-align: center; opacity: 0.8; }

.settings-nav button:hover { background: var(--surface); color: var(--text); }

.settings-nav button.active {
    background: var(--accent);
    color: var(--accent-text);
}

.settings-panes {
    flex: 1;
    overflow-y: auto;
    padding: 22px;
    min-width: 0;
}

.settings-pane { display: none; }
.settings-pane.active { display: block; }

@media (max-width: 640px) {
    .settings-shell { flex-direction: column; }
    .settings-nav {
        width: 100%;
        display: flex;
        gap: 4px;
        overflow-x: auto;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 10px 12px;
    }
    .settings-nav button { width: auto; white-space: nowrap; margin-bottom: 0; }
}

/* ---------- Settings: shared field styles ---------- */

.settings-pane h2 {
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
    margin: 0 0 14px;
}

.settings-pane .pane-intro {
    font-size: 12.5px;
    color: var(--text-muted);
    margin: -8px 0 18px;
    line-height: 1.5;
}

.settings-pane textarea {
    width: 100%;
    min-height: 70px;
    padding: 11px 13px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
    font-size: 13.5px;
    font-family: inherit;
    resize: vertical;
    outline: none;
}

.settings-pane textarea:focus { border-color: var(--accent); background: var(--card-bg); }

.char-count {
    text-align: right;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.settings-pane input[type="password"], .settings-pane input[type="text"] {
    width: 100%;
    padding: 11px 13px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
    font-size: 13.5px;
    outline: none;
    margin-bottom: 10px;
}

.settings-pane input:focus { border-color: var(--accent); background: var(--card-bg); }

.btn-save {
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: var(--accent-text);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
}

.btn-save:hover { opacity: 0.88; }

.save-status {
    font-size: 12px;
    color: #34c759;
    margin-left: 10px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.save-status.show { opacity: 1; }

/* ---------- Settings: appearance toggle row ---------- */

.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-top: 1px solid var(--border);
}

.toggle-row .toggle-label { font-size: 13.5px; font-weight: 600; }
.toggle-row .toggle-sub { font-size: 11.5px; color: var(--text-muted); margin-top: 2px; }

.switch {
    position: relative;
    width: 42px;
    height: 24px;
    flex-shrink: 0;
}

.switch input { opacity: 0; width: 0; height: 0; }

.switch .slider {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 24px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.switch .slider::before {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 3px;
    background: var(--card-bg);
    border-radius: 50%;
    transition: transform 0.15s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider::before { transform: translateX(18px); }

/* Compact message density */
[data-density="compact"] .msg-bubble { padding: 6px 11px; font-size: 13px; }
[data-density="compact"] .chat-box { gap: 6px; padding: 12px; }
[data-density="compact"] .mini-avatar { width: 20px; height: 20px; }

/* ---------- Settings: rooms management ---------- */

.settings-room-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
}

.settings-room-row .room-icon {
    width: 36px;
    height: 36px;
    border-radius: 11px;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    overflow: hidden;
    flex-shrink: 0;
}

.settings-room-row .room-icon img { width: 100%; height: 100%; object-fit: cover; }

.settings-room-row .room-meta { flex: 1; min-width: 0; }
.settings-room-row .room-name { font-weight: 600; font-size: 13.5px; }
.settings-room-row .room-sub { font-size: 11px; color: var(--text-muted); }

.btn-danger {
    padding: 7px 13px;
    border: 1px solid #d23b32;
    border-radius: var(--radius-sm);
    background: transparent;
    color: #d23b32;
    font-weight: 600;
    font-size: 12px;
    cursor: pointer;
    flex-shrink: 0;
}

.btn-danger:hover { background: #d23b32; color: #fff; }

.empty-owned {
    color: var(--text-muted);
    font-size: 12.5px;
    padding: 14px 0;
}

/* ---------- Settings: about ---------- */

.about-block {
    text-align: center;
    padding: 10px 0 22px;
}

.about-block .about-mark {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: var(--accent);
    color: var(--accent-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 19px;
    margin: 0 auto 12px;
}

.about-block .about-name { font-weight: 700; font-size: 16px; }
.about-block .about-version { font-size: 11.5px; color: var(--text-muted); margin-top: 2px; }

.about-list {
    border-top: 1px solid var(--border);
}

.about-list .about-row {
    display: flex;
    justify-content: space-between;
    padding: 11px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

.about-list .about-row .k { color: var(--text-muted); }
.about-list .about-row .v { font-weight: 600; }

/* ===================================================================
   App shell — Discord-style layout (server rail + main panel)
   =================================================================== */

html, body { height: 100%; }

.app-shell {
    display: flex;
    height: 100vh;
    height: 100dvh;
    width: 100%;
    overflow: hidden;
    background: var(--bg);
}

/* ---------- Server rail (left icon column) ---------- */

.server-rail {
    width: 76px;
    flex-shrink: 0;
    background: var(--header-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 14px 0 10px;
    gap: 10px;
    overflow-y: auto;
    overflow-x: visible;
}

.server-rail::-webkit-scrollbar { width: 0; }

.rail-item {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: rgba(255,255,255,0.08);
    color: var(--header-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    overflow: hidden;
    flex-shrink: 0;
    transition: border-radius 0.15s ease, background 0.15s ease;
    text-decoration: none;
}

.rail-item img { width: 100%; height: 100%; object-fit: cover; }

.rail-item:hover { border-radius: 14px; background: rgba(255,255,255,0.16); }

.rail-item.active {
    border-radius: 14px;
    background: var(--accent-text);
    color: var(--accent);
}

.rail-item.active::before {
    content: "";
    position: absolute;
    left: -14px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 26px;
    border-radius: 0 4px 4px 0;
    background: var(--accent-text);
}

/* Tooltip on hover — name of the room/action */
.rail-item[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 14px);
    top: 50%;
    transform: translateY(-50%) scale(0.92);
    background: #0b0b0c;
    color: #fff;
    font-size: 12.5px;
    font-weight: 600;
    padding: 6px 10px;
    border-radius: 8px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.12s ease, transform 0.12s ease;
    z-index: 80;
}

.rail-item[data-tooltip]:hover::after {
    opacity: 1;
    transform: translateY(-50%) scale(1);
}

.rail-divider {
    width: 32px;
    height: 2px;
    background: rgba(255,255,255,0.12);
    border-radius: 2px;
    flex-shrink: 0;
}

.rail-rooms {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
    padding: 2px 0;
}

.rail-add {
    font-size: 22px;
    font-weight: 400;
    color: #ffffff;
    background: rgba(255,255,255,0.08);
}

.rail-add:hover { background: #34c759; color: #fff; }

.rail-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.rail-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.15s ease;
    flex-shrink: 0;
}

.rail-avatar:hover { border-color: rgba(255,255,255,0.3); }
.rail-avatar img { width: 100%; height: 100%; object-fit: cover; }
.rail-avatar .avatar-circle { width: 100%; height: 100%; font-size: 15px; }

/* ---------- Main panel ---------- */

.main-panel {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
}

.main-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.main-header .room-icon-sm {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.main-header .room-icon-sm img { width: 100%; height: 100%; object-fit: cover; }

.main-header .room-title-wrap { flex: 1; min-width: 0; }

.main-header .room-title {
    font-weight: 700;
    font-size: 15px;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.main-header .room-sub {
    font-size: 11.5px;
    color: var(--text-muted);
}

.main-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-muted);
    padding: 20px;
    text-align: center;
}

.main-empty .mark {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    color: var(--text);
    margin-bottom: 6px;
}

.main-empty .empty-title { font-size: 15px; font-weight: 700; color: var(--text); }
.main-empty .empty-sub { font-size: 13px; max-width: 280px; }

/* Reuse .chat-box / .msg-row / .msg-bubble / .input-area styles inside main-panel,
   just override the rounded-corner / shadow rules that assumed a floating card. */
.main-panel .chat-box { flex: 1; }
.main-panel .input-area { border-radius: 0; }

/* ---------- Create room modal ---------- */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
}

.modal-backdrop.open { display: flex; }

.modal-box {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 360px;
    padding: 24px;
}

.modal-box h3 {
    margin: 0 0 4px;
    font-size: 17px;
    color: var(--text);
}

.modal-box p {
    margin: 0 0 18px;
    font-size: 12.5px;
    color: var(--text-muted);
}

.modal-box .new-room-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 14px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.modal-actions .btn-cancel {
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: none;
    color: var(--text);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
}

/* ---------- Responsive: collapse rail on small screens ---------- */

@media (max-width: 640px) {
    .app-shell { flex-direction: column; }

    .server-rail {
        width: 100%;
        height: 64px;
        flex-direction: row;
        padding: 8px 12px;
        overflow-x: auto;
        overflow-y: visible;
    }

    .rail-rooms { flex-direction: row; overflow-x: auto; overflow-y: visible; flex: 1; }
    .rail-divider { width: 2px; height: 28px; }
    .rail-bottom { flex-direction: row; }
    .rail-item[data-tooltip]::after { left: 50%; top: calc(100% + 10px); transform: translateX(-50%) scale(0.92); }
    .rail-item[data-tooltip]:hover::after { transform: translateX(-50%) scale(1); }

    .main-header { padding: 12px 14px; }
}

/* ---------- App shell (Discord-style sidebar + full-bleed chat) ---------- */

.app-shell {
    height: 100vh;
    height: 100dvh;
    width: 100%;
    display: flex;
    overflow: hidden;
    background: var(--surface);
}

.app-sidebar {
    width: 264px;
    flex-shrink: 0;
    background: var(--card-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.sidebar-brand {
    padding: 16px 16px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.sidebar-brand .mark {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--accent);
    color: var(--accent-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    flex-shrink: 0;
}

.sidebar-brand .name {
    font-weight: 700;
    font-size: 14.5px;
    letter-spacing: -0.2px;
}

.sidebar-rooms {
    flex: 1;
    overflow-y: auto;
    padding: 10px 8px;
}

.sidebar-rooms::-webkit-scrollbar { width: 5px; }
.sidebar-rooms::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.sidebar-section-label {
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
    padding: 6px 8px 6px;
}

.sidebar-room {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    margin-bottom: 2px;
    transition: background 0.12s ease;
}

.sidebar-room:hover { background: var(--surface); }

.sidebar-room.active { background: var(--accent); }
.sidebar-room.active .sidebar-room-name { color: var(--accent-text); }
.sidebar-room.active .sidebar-room-sub { color: var(--accent-text); opacity: 0.7; }

.sidebar-room .room-icon {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    color: var(--text);
    flex-shrink: 0;
    overflow: hidden;
}

.sidebar-room .room-icon img { width: 100%; height: 100%; object-fit: cover; }

.sidebar-room-meta { flex: 1; min-width: 0; }

.sidebar-room-name {
    font-size: 13.5px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-room-sub {
    font-size: 10.5px;
    color: var(--text-muted);
}

.sidebar-empty {
    color: var(--text-muted);
    font-size: 12px;
    padding: 16px 10px;
    text-align: center;
}

.sidebar-new-room-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    border: 1px dashed var(--border);
    margin: 4px 2px 8px;
}

.sidebar-new-room-btn:hover { background: var(--surface); color: var(--text); }

.sidebar-new-room-btn .plus-icon {
    width: 22px;
    height: 22px;
    border-radius: 7px;
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

/* User panel pinned to sidebar bottom */
.sidebar-userbar {
    flex-shrink: 0;
    border-top: 1px solid var(--border);
    padding: 8px;
    position: relative;
}

.sidebar-userbar .menu-trigger {
    width: 100%;
    border-radius: var(--radius-sm);
    padding: 6px 8px;
}

.sidebar-userbar .menu-trigger:hover { background: var(--surface); }

.sidebar-userbar .uname {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-userbar .dropdown-menu {
    bottom: calc(100% + 6px);
    top: auto;
    left: 0;
    right: auto;
}

/* Main chat pane */
.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    height: 100%;
}

.main-topbar {
    flex-shrink: 0;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.main-topbar .sidebar-toggle {
    display: none;
    font-size: 18px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}

.main-topbar .room-icon-sm {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.main-topbar .room-icon-sm img { width: 100%; height: 100%; object-fit: cover; }

.main-topbar .room-title {
    font-weight: 700;
    font-size: 14.5px;
}

.main-chat-box {
    flex: 1;
    overflow-y: auto;
    padding: 18px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.main-chat-box::-webkit-scrollbar { width: 6px; }
.main-chat-box::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.main-empty {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    color: var(--text-muted);
    text-align: center;
    padding: 20px;
}

.main-empty .big-mark {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.main-input-area {
    flex-shrink: 0;
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    padding: 14px 18px;
}

/* New-room popover */
.new-room-popover {
    position: absolute;
    bottom: 56px;
    left: 8px;
    right: 8px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    padding: 14px;
    display: none;
    z-index: 60;
}

.new-room-popover.open { display: block; }

.new-room-popover h3 {
    font-size: 12.5px;
    margin: 0 0 10px;
    font-weight: 700;
}

.new-room-popover .icon-name-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* Mobile: collapsible sidebar */
@media (max-width: 760px) {
    .app-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 100;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        box-shadow: var(--shadow);
    }
    .app-sidebar.open { transform: translateX(0); }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 90;
    }
    .sidebar-overlay.open { display: block; }

    .main-topbar .sidebar-toggle { display: block; }
}

/* ---------- Additional themes ---------- */

[data-theme="pink"] {
    --bg: #fdf1f5;
    --card-bg: #fffafc;
    --surface: #fbe6ee;
    --header-bg: #7d2c52;
    --header-text: #fff5f8;
    --header-sub: #e8b9cd;
    --text: #3a1a28;
    --text-muted: #9c6e80;
    --border: #f3d6e3;
    --input-bg: #fbe6ee;
    --accent: #c2487a;
    --accent-text: #ffffff;
    --bubble-bg: #fffafc;
    --bubble-border: #f3d6e3;
}

[data-theme="purple"] {
    --bg: #f5f1fb;
    --card-bg: #fdfbff;
    --surface: #ece3f7;
    --header-bg: #3d2a5c;
    --header-text: #f6f1fb;
    --header-sub: #c9b8de;
    --text: #2a1f3d;
    --text-muted: #7d6a95;
    --border: #e0d3f0;
    --input-bg: #ece3f7;
    --accent: #7048a8;
    --accent-text: #ffffff;
    --bubble-bg: #fdfbff;
    --bubble-border: #e0d3f0;
}

[data-theme="desert"] {
    --bg: #f6efe2;
    --card-bg: #fffdf7;
    --surface: #efe2cc;
    --header-bg: #7a5230;
    --header-text: #fdf6ec;
    --header-sub: #d9bd96;
    --text: #4a3520;
    --text-muted: #9c8467;
    --border: #e8d7b8;
    --input-bg: #efe2cc;
    --accent: #b5793b;
    --accent-text: #ffffff;
    --bubble-bg: #fffdf7;
    --bubble-border: #e8d7b8;
}

/* ---------- Presence dot ---------- */

.avatar-wrap { position: relative; display: inline-flex; flex-shrink: 0; }

.status-dot {
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--text-muted);
    border: 2px solid var(--card-bg);
}

.status-dot.online { background: #34c759; }

/* ---------- Role badges ---------- */

.role-badge {
    display: inline-block;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.4px;
    padding: 1px 6px;
    border-radius: 8px;
    margin-left: 6px;
    text-transform: uppercase;
    vertical-align: middle;
}

.role-badge.owner { background: #e8b923; color: #3a2c00; }
.role-badge.admin { background: #4a90d9; color: #ffffff; }

/* ---------- Friends pane ---------- */

.friends-tabs {
    display: flex;
    gap: 6px;
    padding: 12px 18px 0;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.friends-tab {
    padding: 9px 14px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.friends-tab.active { color: var(--text); border-bottom-color: var(--accent); }

.friends-body { flex: 1; overflow-y: auto; padding: 16px 18px; }

.add-friend-row {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
}

.add-friend-row input {
    flex: 1;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--input-bg);
    color: var(--text);
    font-size: 13.5px;
    outline: none;
}

.add-friend-row input:focus { border-color: var(--accent); background: var(--card-bg); }

.add-friend-row button {
    border: none;
    padding: 11px 18px;
    border-radius: 20px;
    background: var(--accent);
    color: var(--accent-text);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
}

.friend-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.friend-row:hover { background: var(--surface); }

.friend-row .friend-meta { flex: 1; min-width: 0; }
.friend-row .friend-name { font-weight: 600; font-size: 13.5px; }
.friend-row .friend-sub { font-size: 11.5px; color: var(--text-muted); }

.friend-row .friend-actions { display: flex; gap: 6px; }

.btn-mini {
    padding: 6px 12px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text);
    font-size: 11.5px;
    font-weight: 600;
    cursor: pointer;
}

.btn-mini:hover { background: var(--surface); }
.btn-mini.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn-mini.danger { color: #d23b32; border-color: #d23b32; }
.btn-mini.danger:hover { background: #d23b32; color: #fff; }

.friends-empty {
    color: var(--text-muted);
    font-size: 12.5px;
    text-align: center;
    padding: 30px 10px;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.sidebar-nav-item:hover { background: var(--surface); }
.sidebar-nav-item.active { background: var(--accent); color: var(--accent-text); }
.sidebar-nav-item .nav-emoji { width: 20px; text-align: center; }

.friend-req-badge {
    background: #d23b32;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    border-radius: 10px;
    padding: 1px 6px;
    margin-left: auto;
}

/* ---------- Profile modal ---------- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 20px;
}

.modal-overlay.open { display: flex; }

.profile-modal {
    background: var(--card-bg);
    width: 100%;
    max-width: 340px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.profile-modal .profile-banner {
    background: var(--header-bg);
    height: 64px;
    position: relative;
}

.profile-modal .profile-avatar-row {
    padding: 0 20px;
    margin-top: -32px;
}

.profile-modal .profile-avatar-row .avatar-circle {
    width: 64px;
    height: 64px;
    font-size: 22px;
    border: 4px solid var(--card-bg);
}

.profile-modal .profile-body { padding: 14px 20px 20px; }

.profile-modal .profile-name {
    font-weight: 700;
    font-size: 16px;
    display: flex;
    align-items: center;
}

.profile-modal .profile-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.profile-modal .profile-bio {
    font-size: 13px;
    color: var(--text);
    margin-top: 14px;
    line-height: 1.5;
}

.profile-modal .profile-actions {
    margin-top: 18px;
    display: flex;
    gap: 8px;
}

.profile-modal .profile-close {
    position: absolute;
    top: 10px;
    right: 12px;
    color: rgba(255,255,255,0.85);
    font-size: 18px;
    cursor: pointer;
}

.name-tag-clickable { cursor: pointer; }
.name-tag-clickable:hover { text-decoration: underline; }

/* ---------- Roles settings tab ---------- */

.role-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
}

.role-row .role-meta { flex: 1; min-width: 0; font-size: 13px; font-weight: 600; }

.role-row select {
    padding: 7px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text);
    font-size: 12.5px;
}

/* ===== Additional themes ===== */

[data-theme="forest"] {
    --bg: #eef3ec;
    --card-bg: #f8fcf7;
    --surface: #e0eedc;
    --header-bg: #1e3d22;
    --header-text: #edf6ea;
    --header-sub: #8db88f;
    --text: #1a2e1c;
    --text-muted: #5a7c5c;
    --border: #cee0cb;
    --input-bg: #e0eedc;
    --accent: #2d6e32;
    --accent-text: #ffffff;
    --bubble-bg: #f8fcf7;
    --bubble-border: #cee0cb;
}

[data-theme="slate"] {
    --bg: #eef0f4;
    --card-bg: #f8f9fb;
    --surface: #e2e6ed;
    --header-bg: #1e2a3a;
    --header-text: #e8edf4;
    --header-sub: #8a9ab0;
    --text: #1a2232;
    --text-muted: #5c6e84;
    --border: #d0d8e4;
    --input-bg: #e2e6ed;
    --accent: #3a5a8a;
    --accent-text: #ffffff;
    --bubble-bg: #f8f9fb;
    --bubble-border: #d0d8e4;
}

[data-theme="carbon"] {
    --bg: #181818;
    --card-bg: #212121;
    --surface: #161616;
    --header-bg: #111111;
    --header-text: #e8e8e8;
    --header-sub: #888888;
    --text: #e8e8e8;
    --text-muted: #888888;
    --border: #303030;
    --input-bg: #2a2a2a;
    --accent: #e8e8e8;
    --accent-text: #111111;
    --bubble-bg: #2a2a2a;
    --bubble-border: #303030;
}

[data-theme="lavender"] {
    --bg: #f2f0fa;
    --card-bg: #faf9fd;
    --surface: #e8e4f5;
    --header-bg: #4a3d6e;
    --header-text: #f2f0fa;
    --header-sub: #b8aed6;
    --text: #2a2240;
    --text-muted: #7868a0;
    --border: #dcd6f0;
    --input-bg: #e8e4f5;
    --accent: #6a5aac;
    --accent-text: #ffffff;
    --bubble-bg: #faf9fd;
    --bubble-border: #dcd6f0;
}

[data-theme="mint"] {
    --bg: #eef8f5;
    --card-bg: #f8fdfc;
    --surface: #d8f0ea;
    --header-bg: #1a4a3c;
    --header-text: #eaf8f4;
    --header-sub: #7abcaa;
    --text: #162e28;
    --text-muted: #4a8070;
    --border: #c0e4d8;
    --input-bg: #d8f0ea;
    --accent: #1e7a60;
    --accent-text: #ffffff;
    --bubble-bg: #f8fdfc;
    --bubble-border: #c0e4d8;
}

/* ===== Mobile layout fixes ===== */

/* Always show a top nav bar so there's always a way to open sidebar on mobile */
.app-topnav {
    display: none;
    background: var(--header-bg);
    color: var(--header-text);
    padding: 12px 16px;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    z-index: 10;
}

@media (max-width: 760px) {
    .app-topnav { display: flex; }
    .app-topnav .sidebar-toggle { color: var(--header-text); font-size: 18px; cursor: pointer; }
    .app-topnav .nav-title { font-weight: 700; font-size: 15px; flex: 1; }
}

/* ===== Clickable links in messages ===== */

.msg-link {
    color: var(--accent);
    text-decoration: underline;
    word-break: break-all;
}

.msg-row.own .msg-link { color: var(--accent-text); opacity: 0.9; }

/* ===== Voice call UI ===== */

.call-bar {
    background: #1a5c2a;
    color: #ffffff;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    font-size: 13px;
    font-weight: 600;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.call-bar .call-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ade80;
    animation: pulse 1.5s infinite;
    flex-shrink: 0;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.85); }
}

.call-bar .call-label { flex: 1; }

.call-bar .call-participants {
    display: flex;
    gap: -4px;
}

.call-bar .call-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid #1a5c2a;
    background: #2d8a40;
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: -4px;
    overflow: hidden;
}

.call-bar .call-avatar:first-child { margin-left: 0; }
.call-bar .call-avatar img { width: 100%; height: 100%; object-fit: cover; }

.call-btn {
    border: none;
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    flex-shrink: 0;
}

.call-btn.join  { background: #4ade80; color: #0a2e14; }
.call-btn.leave { background: #ef4444; color: #ffffff; }
.call-btn.mute  { background: rgba(255,255,255,0.15); color: #ffffff; }
.call-btn.mute.muted { background: #ef4444; }

.call-start-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 15px;
    color: var(--text-muted);
    transition: background 0.15s ease;
    flex-shrink: 0;
}

.call-start-btn:hover { background: var(--surface); color: var(--text); }
.call-start-btn.in-call { background: #1a5c2a; color: #4ade80; border-color: #1a5c2a; }

/* ===== Private channel UI ===== */

.lock-icon {
    font-size: 10px;
    opacity: 0.6;
    margin-left: 4px;
}

.invite-modal-content {
    padding: 20px;
}

.invite-modal-content h3 { margin: 0 0 14px; font-size: 15px; }

.member-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.member-row .member-name { flex: 1; font-size: 13.5px; font-weight: 600; }

/* ===== Dev mode ===== */

.dev-panel {
    background: #0a0a0a;
    color: #00ff88;
    font-family: ui-monospace, monospace;
    font-size: 11px;
    padding: 12px;
    border-radius: var(--radius-sm);
    margin-top: 14px;
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
}

.dev-toggle-row {
    padding: 10px 0;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 600;
}

/* ===== Settings: theme grid wider for more themes ===== */
.theme-grid { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 500px) {
    .theme-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== OpenChat glass refresh ===== */
:root {
    --glass: rgba(255,255,255,.68);
    --glass-strong: rgba(255,255,255,.82);
    --glass-line: rgba(255,255,255,.72);
    --glass-shadow: 0 18px 50px rgba(30,45,75,.12), inset 0 1px 0 rgba(255,255,255,.7);
}
[data-theme="midnight"], [data-theme="carbon"] {
    --glass: rgba(28,30,38,.72);
    --glass-strong: rgba(35,37,46,.88);
    --glass-line: rgba(255,255,255,.12);
    --glass-shadow: 0 18px 50px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.09);
}
body {
    background-color: var(--bg);
    background-image: radial-gradient(ellipse at 8% 12%, rgba(119,174,255,.32), transparent 36%),
                      radial-gradient(ellipse at 86% 18%, rgba(193,160,255,.22), transparent 34%),
                      radial-gradient(ellipse at 72% 92%, rgba(115,218,220,.24), transparent 38%);
    background-attachment: fixed;
}
.auth-screen, .settings-screen { position: relative; }
.auth-card, .settings-card {
    background: var(--glass-strong);
    border-color: var(--glass-line);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(24px) saturate(155%);
    -webkit-backdrop-filter: blur(24px) saturate(155%);
}
.auth-card { border-radius: 28px; }

@media (max-width: 540px) {
    .auth-screen {
        align-items: flex-start;
        justify-content: center;
        min-height: 100vh;
        min-height: 100dvh;
        padding: max(16px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
    }
    .auth-card {
        width: 100%; max-width: 440px; margin: auto 0;
        padding: clamp(24px, 7vw, 32px) clamp(20px, 6vw, 28px);
        border-radius: 24px;
    }
    .auth-brand { margin-bottom: 24px; }
    .auth-card h1 { font-size: clamp(21px, 6vw, 25px); }
    .auth-card p.subtitle { margin-bottom: 22px; line-height: 1.5; }
    .field input, .btn-primary, .google-login { min-height: 48px; font-size: 16px; }
    .field input { padding: 12px 14px; }
    .auth-foot { padding: 4px 0 max(2px, env(safe-area-inset-bottom)); }
}
.auth-brand .mark, .sidebar-brand .mark, .about-block .about-mark {
    border-radius: 12px;
    box-shadow: 0 5px 14px color-mix(in srgb, var(--accent) 24%, transparent), inset 0 1px 0 rgba(255,255,255,.24);
}
.field input, .settings-pane textarea, .settings-pane input[type="password"], .settings-pane input[type="text"] {
    border-radius: 13px;
    background: color-mix(in srgb, var(--input-bg) 74%, transparent);
}
.btn-primary, .btn-save, .btn-send {
    border-radius: 13px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 5px 14px color-mix(in srgb, var(--accent) 18%, transparent);
    transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
}
.btn-primary:hover, .btn-save:hover, .btn-send:hover { transform: translateY(-1px); }
.app-shell { gap: 14px; padding: 14px; }
.app-sidebar {
    border: 1px solid var(--glass-line);
    border-radius: 24px;
    background: var(--glass);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    overflow: visible;
}
.sidebar-brand { border-bottom-color: color-mix(in srgb, var(--border) 65%, transparent); }
.sidebar-room, .sidebar-nav-item, .sidebar-new-room-btn, .friend-row, .friends-tab,
.settings-nav button, .theme-option, .menu-trigger {
    transition: background .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.sidebar-room, .sidebar-nav-item { border-radius: 14px; }
.sidebar-room.active, .sidebar-nav-item.active {
    background: color-mix(in srgb, var(--accent) 86%, transparent);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.18), 0 4px 12px color-mix(in srgb, var(--accent) 17%, transparent);
}
.sidebar-userbar { border-top-color: color-mix(in srgb, var(--border) 65%, transparent); }
.app-main {
    border: 1px solid var(--glass-line);
    border-radius: 24px;
    background: color-mix(in srgb, var(--card-bg) 60%, transparent);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(20px) saturate(145%);
    -webkit-backdrop-filter: blur(20px) saturate(145%);
    overflow: hidden;
}
.main-topbar, .app-topnav, .main-input-area, .friends-tabs {
    background: var(--glass);
    border-color: color-mix(in srgb, var(--border) 68%, transparent);
    backdrop-filter: blur(18px) saturate(145%);
    -webkit-backdrop-filter: blur(18px) saturate(145%);
}
.main-chat-box { background: transparent; }
.msg-bubble {
    border-radius: 18px;
    border-color: var(--glass-line);
    background: var(--glass-strong);
    box-shadow: 0 5px 18px rgba(28,38,56,.06), inset 0 1px 0 rgba(255,255,255,.48);
    backdrop-filter: blur(12px) saturate(135%);
    -webkit-backdrop-filter: blur(12px) saturate(135%);
}
.msg-row.own .msg-bubble { border-radius: 18px 18px 5px 18px; }
.msg-input, .add-friend-row input, .new-room-popover input[type="text"] {
    border-radius: 15px;
    background: color-mix(in srgb, var(--input-bg) 76%, transparent);
}
.dropdown-menu, .new-room-popover, .profile-modal, .modal-box {
    background: var(--glass-strong);
    border-color: var(--glass-line);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(24px) saturate(155%);
    -webkit-backdrop-filter: blur(24px) saturate(155%);
}
.profile-modal { border-radius: 24px; overflow: hidden; }
.settings-nav button { border-radius: 13px; }
.theme-option { border-radius: 16px; background: var(--glass); border-color: var(--glass-line); }
.theme-option.active { box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 18%, transparent); }
.call-bar { border-radius: 18px; margin: 8px 14px 0; }
@media (max-width: 760px) {
    .app-shell { gap: 0; padding: 0; }
    .app-sidebar { border-radius: 0 22px 22px 0; }
    .app-main { border-radius: 0; border: 0; }
    .app-topnav { border-radius: 0 0 18px 18px; }
}
@media (prefers-reduced-transparency: reduce) {
    .auth-card, .settings-card, .app-sidebar, .app-main, .main-topbar, .app-topnav,
    .main-input-area, .friends-tabs, .msg-bubble, .dropdown-menu, .new-room-popover,
    .profile-modal, .modal-box { backdrop-filter: none; -webkit-backdrop-filter: none; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* Profile popover: a soft, animated liquid-glass capsule */
.ui-icon { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.ui-icon svg, .ui-icon-svg {
    width: 18px; height: 18px; display: block; fill: none; stroke: currentColor;
    stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.sidebar-toggle.ui-icon { appearance: none; -webkit-appearance: none; border: 0; padding: 0; background: none; color: inherit; }
.nav-emoji.ui-icon { width: 20px; height: 20px; color: var(--text-muted); }
.dropdown-menu#user-menu {
    width: 204px; min-width: 204px; padding: 8px;
    border-radius: 28px 21px 25px 19px;
    background: linear-gradient(145deg, rgba(255,255,255,.82), rgba(255,255,255,.57));
    border: 1px solid rgba(255,255,255,.88);
    box-shadow: 0 22px 54px rgba(33,43,63,.16), 0 3px 10px rgba(33,43,63,.06), inset 0 1px 0 rgba(255,255,255,.96);
    -webkit-backdrop-filter: blur(34px) saturate(185%);
    backdrop-filter: blur(34px) saturate(185%);
    overflow: hidden; isolation: isolate;
}
[data-theme="midnight"] .dropdown-menu#user-menu,
[data-theme="carbon"] .dropdown-menu#user-menu {
    background: linear-gradient(145deg, rgba(49,51,62,.88), rgba(30,32,42,.76));
    border-color: rgba(255,255,255,.18);
}
.dropdown-menu#user-menu::before {
    content: ""; position: absolute; z-index: -1; pointer-events: none;
    inset: -60% 35% 25% -45%; transform: rotate(-18deg);
    background: linear-gradient(100deg, transparent, rgba(255,255,255,.55), transparent);
    filter: blur(10px); opacity: .72;
    animation: glassSweep 7s ease-in-out 1s infinite;
}
.dropdown-menu#user-menu.open { animation: liquidPop .72s cubic-bezier(.2,.9,.25,1.25) both, liquidWobble 6s ease-in-out .72s infinite; }
.dropdown-menu#user-menu a {
    position: relative; z-index: 1; min-height: 42px; padding: 10px 12px;
    border-radius: 16px; gap: 11px; font-size: 13px;
}
.dropdown-menu#user-menu a:hover {
    background: rgba(255,255,255,.47); box-shadow: inset 0 1px 0 rgba(255,255,255,.78);
}
.dropdown-menu#user-menu .dd-icon { width: 18px; height: 18px; opacity: .78; }
.dropdown-menu#user-menu hr { border-top-color: rgba(100,115,140,.16); margin: 5px 8px; }
.dropdown-menu#user-menu .dd-danger { color: #d64c4c; }
@keyframes liquidPop {
    0% { opacity: 0; transform: translateY(14px) scale(.84,.72); border-radius: 38px 22px 34px 19px; }
    48% { opacity: 1; transform: translateY(-3px) scale(1.035,.96); border-radius: 22px 34px 20px 30px; }
    72% { transform: translateY(1px) scale(.99,1.02); border-radius: 31px 20px 29px 22px; }
    100% { opacity: 1; transform: translateY(0) scale(1); border-radius: 28px 21px 25px 19px; }
}
@keyframes liquidWobble {
    0%, 100% { border-radius: 28px 21px 25px 19px; }
    50% { border-radius: 25px 25px 20px 24px; }
}
@keyframes glassSweep {
    0%, 58%, 100% { transform: translateX(-25%) rotate(-18deg); opacity: .2; }
    72% { transform: translateX(145%) rotate(-18deg); opacity: .75; }
}
@media (prefers-reduced-motion: reduce) {
    .dropdown-menu#user-menu.open, .dropdown-menu#user-menu::before { animation: none; }
}

.lock-icon.ui-icon-svg, .ui-icon-svg.lock-icon { width: 12px; height: 12px; vertical-align: -2px; margin-left: 4px; opacity: .65; }

.main-topbar .sidebar-toggle.ui-icon { display: none; }
@media (max-width: 760px) {
    .main-topbar .sidebar-toggle.ui-icon, .app-topnav .sidebar-toggle.ui-icon { display: inline-flex; }
}

/* Floating dock controls across the sidebar and friends view */
.friends-tabs {
    align-self: flex-start;
    width: max-content;
    max-width: calc(100% - 36px);
    margin: 18px 18px 0;
    padding: 6px;
    gap: 4px;
    border: 1px solid rgba(255,255,255,.78);
    border-radius: 999px;
    background: linear-gradient(145deg, rgba(255,255,255,.7), rgba(255,255,255,.38));
    box-shadow: 0 12px 30px rgba(45,57,78,.09), inset 0 1px 0 rgba(255,255,255,.9);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    backdrop-filter: blur(28px) saturate(180%);
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}
.friends-tabs::-webkit-scrollbar { display: none; }
.friends-tab {
    flex: 0 0 auto;
    padding: 9px 15px;
    border: 0;
    border-radius: 999px;
    white-space: nowrap;
    -webkit-user-select: none;
    user-select: none;
    cursor: pointer;
}
.friends-tab:hover { background: rgba(255,255,255,.45); }
.friends-tab.active {
    color: var(--text);
    border: 0;
    background: rgba(255,255,255,.76);
    box-shadow: 0 3px 10px rgba(43,53,73,.09), inset 0 1px 0 rgba(255,255,255,.95);
}
.sidebar-new-room-btn {
    position: relative;
    margin: 8px 4px 12px;
    padding: 9px 11px;
    border: 1px solid rgba(255,255,255,.7);
    border-radius: 999px;
    background: linear-gradient(145deg, rgba(255,255,255,.66), rgba(255,255,255,.32));
    box-shadow: 0 6px 18px rgba(42,54,74,.06), inset 0 1px 0 rgba(255,255,255,.86);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    backdrop-filter: blur(20px) saturate(160%);
}
.sidebar-new-room-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(255,255,255,.95);
    background: rgba(255,255,255,.82);
    box-shadow: 0 9px 22px rgba(42,54,74,.1), inset 0 1px 0 #fff;
}
.sidebar-new-room-btn .plus-icon {
    border-radius: 50%;
    background: rgba(255,255,255,.78);
    box-shadow: inset 0 1px 0 #fff;
}
.sidebar-userbar {
    margin: 7px;
    padding: 6px;
    border: 1px solid rgba(255,255,255,.72);
    border-radius: 22px;
    background: linear-gradient(145deg, rgba(255,255,255,.69), rgba(255,255,255,.38));
    box-shadow: 0 10px 25px rgba(42,54,74,.08), inset 0 1px 0 rgba(255,255,255,.88);
    -webkit-backdrop-filter: blur(26px) saturate(175%);
    backdrop-filter: blur(26px) saturate(175%);
}
.sidebar-userbar .menu-trigger { border-radius: 16px; }
.sidebar-userbar .menu-trigger:hover { background: rgba(255,255,255,.56); }
@media (max-width: 760px) {
    .friends-tabs { max-width: calc(100% - 24px); margin: 12px 12px 0; }
    .friends-body { padding: 14px 12px; }
    .sidebar-userbar { margin: 7px; }
}
@media (prefers-reduced-transparency: reduce) {
    .friends-tabs, .sidebar-new-room-btn, .sidebar-userbar { backdrop-filter: none; -webkit-backdrop-filter: none; }
}
[data-theme="midnight"] .friends-tabs, [data-theme="carbon"] .friends-tabs,
[data-theme="midnight"] .sidebar-new-room-btn, [data-theme="carbon"] .sidebar-new-room-btn,
[data-theme="midnight"] .sidebar-userbar, [data-theme="carbon"] .sidebar-userbar {
    border-color: rgba(255,255,255,.13);
    background: linear-gradient(145deg, rgba(47,49,59,.78), rgba(30,32,41,.62));
    box-shadow: 0 12px 30px rgba(0,0,0,.2), inset 0 1px 0 rgba(255,255,255,.1);
}
[data-theme="midnight"] .friends-tab.active, [data-theme="carbon"] .friends-tab.active,
[data-theme="midnight"] .friends-tab:hover, [data-theme="carbon"] .friends-tab:hover,
[data-theme="midnight"] .sidebar-new-room-btn .plus-icon, [data-theme="carbon"] .sidebar-new-room-btn .plus-icon,
[data-theme="midnight"] .sidebar-userbar .menu-trigger:hover, [data-theme="carbon"] .sidebar-userbar .menu-trigger:hover {
    background: rgba(255,255,255,.1);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.11);
}

/* Keep the room-name field inside the create-room glass panel. */
.new-room-popover .icon-name-row { min-width: 0; width: 100%; }
.new-room-popover .icon-name-row input[type="text"] { flex: 1 1 0; width: 0; min-width: 0; }

/* A clearer, light-reactive glass material for the friends dock. */
.app-main {
    background-color: color-mix(in srgb, var(--card-bg) 74%, transparent);
    background-image:
        radial-gradient(ellipse at 8% 0%, rgba(143,190,255,.15), transparent 38%),
        radial-gradient(ellipse at 78% 4%, rgba(205,177,255,.12), transparent 34%),
        radial-gradient(ellipse at 100% 90%, rgba(133,221,218,.10), transparent 40%);
}
.friends-tabs {
    position: relative;
    border: 1px solid rgba(255,255,255,.84);
    background: linear-gradient(155deg, rgba(255,255,255,.48), rgba(255,255,255,.22) 48%, rgba(255,255,255,.34));
    box-shadow: 0 10px 28px rgba(52,67,92,.10), 0 2px 5px rgba(52,67,92,.05),
        inset 0 1.5px 0 rgba(255,255,255,.95), inset 0 -1px 0 rgba(255,255,255,.33);
    -webkit-backdrop-filter: blur(32px) saturate(190%);
    backdrop-filter: blur(32px) saturate(190%);
}
.friends-tabs::after {
    content: ""; position: absolute; inset: 1px; border-radius: inherit; pointer-events: none;
    background: linear-gradient(115deg, rgba(255,255,255,.34), transparent 30%, transparent 72%, rgba(255,255,255,.23));
    opacity: .75;
}
.friends-tab { position: relative; z-index: 1; }
.friends-tab.active {
    background: linear-gradient(155deg, rgba(255,255,255,.83), rgba(255,255,255,.48));
    box-shadow: 0 2px 7px rgba(54,66,88,.08), inset 0 1px 0 rgba(255,255,255,.98), inset 0 -1px 0 rgba(255,255,255,.5);
}
[data-theme="midnight"] .friends-tabs, [data-theme="carbon"] .friends-tabs {
    background: linear-gradient(155deg, rgba(65,68,82,.62), rgba(33,35,45,.48) 48%, rgba(51,54,67,.56));
    border-color: rgba(255,255,255,.22);
    box-shadow: 0 10px 28px rgba(0,0,0,.23), inset 0 1px 0 rgba(255,255,255,.24), inset 0 -1px 0 rgba(255,255,255,.08);
}
[data-theme="midnight"] .friends-tab.active, [data-theme="carbon"] .friends-tab.active {
    background: linear-gradient(155deg, rgba(255,255,255,.22), rgba(255,255,255,.09));
    box-shadow: inset 0 1px 0 rgba(255,255,255,.24), 0 2px 8px rgba(0,0,0,.14);
}

/* WebGL material targets: the library paints the refraction behind the live DOM. */
.sidebar-rooms { position: relative; isolation: isolate; }
.sidebar-glass-backdrop {
    position: absolute; inset: 0; z-index: 0; pointer-events: none;
    background: radial-gradient(ellipse at 16% 30%, rgba(133,183,255,.2), transparent 48%),
                radial-gradient(ellipse at 78% 82%, rgba(180,151,255,.14), transparent 44%);
}
.sidebar-rooms > :not(.sidebar-glass-backdrop) { position: relative; z-index: 1; }
.sidebar-rooms > .sidebar-new-room-btn { z-index: 2; }
#main-friends { position: relative; isolation: isolate; }
.friends-glass-backdrop {
    position: absolute; inset: 0; z-index: 0; pointer-events: none;
    background: radial-gradient(ellipse at 12% 0%, rgba(114,174,255,.22), transparent 42%),
                radial-gradient(ellipse at 82% 6%, rgba(201,165,255,.18), transparent 40%),
                radial-gradient(ellipse at 72% 84%, rgba(121,222,216,.13), transparent 46%);
}
#main-friends > :not(.friends-glass-backdrop) { position: relative; z-index: 1; }

/* Chat attachment control */
#f-file { display: none; }
.form-row { gap: 10px; }
.file-label {
    border: 1px solid rgba(255,255,255,.76);
    background: linear-gradient(145deg, rgba(255,255,255,.78), rgba(255,255,255,.42));
    box-shadow: 0 5px 14px rgba(42,54,74,.08), inset 0 1px 0 rgba(255,255,255,.95);
    color: var(--text-muted);
    width: 44px; height: 44px;
    transition: transform .18s ease, box-shadow .18s ease, color .18s ease;
}
.file-label:hover { transform: translateY(-1px); color: var(--text); background: rgba(255,255,255,.88); }
.file-label:active { transform: scale(.95); }
.file-label:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent); outline-offset: 2px; }
.file-label svg { width: 19px; height: 19px; }
.file-status {
    display: none; flex: 0 1 auto; max-width: 150px; overflow: hidden;
    color: var(--text-muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap;
}
.file-status.visible { display: inline-block; }
.file-status.success { color: #21834b; }
.file-status.error { color: #bd3636; max-width: 210px; }
[data-theme="midnight"] .file-label, [data-theme="carbon"] .file-label {
    border-color: rgba(255,255,255,.16);
    background: linear-gradient(145deg, rgba(255,255,255,.13), rgba(255,255,255,.05));
}
@media (max-width: 540px) {
    .file-status { max-width: 90px; }
    .file-status.error { max-width: 120px; }
    .btn-send { padding-inline: 14px; }
}

/* Settings: wider workspace, clearer hierarchy, and a softer glass surface */
.settings-screen {
    padding: clamp(14px, 3vw, 36px);
    background:
        radial-gradient(ellipse at 12% 12%, rgba(130,174,255,.2), transparent 35%),
        radial-gradient(ellipse at 88% 84%, rgba(193,160,255,.16), transparent 34%),
        var(--bg);
}
.settings-card {
    max-width: 960px;
    width: min(960px, 100%);
    max-height: min(820px, calc(100dvh - 48px));
    min-height: min(620px, calc(100dvh - 48px));
    border-radius: 30px;
    background: color-mix(in srgb, var(--card-bg) 76%, transparent);
    border-color: rgba(255,255,255,.76);
    box-shadow: 0 30px 90px rgba(39,52,77,.16), 0 4px 16px rgba(39,52,77,.06), inset 0 1px 0 rgba(255,255,255,.92);
    -webkit-backdrop-filter: blur(30px) saturate(155%);
    backdrop-filter: blur(30px) saturate(155%);
}
.settings-header {
    padding: 19px 26px;
    background: linear-gradient(110deg, var(--header-bg), color-mix(in srgb, var(--header-bg) 80%, #384a70));
}
.settings-header .back-link {
    width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid rgba(255,255,255,.14); border-radius: 11px;
    background: rgba(255,255,255,.08); transition: background .18s ease, transform .18s ease;
}
.settings-header .back-link:hover { background: rgba(255,255,255,.16); transform: translateX(-2px); }
.settings-header .title { font-size: 17px; letter-spacing: -.25px; }
.settings-shell { min-height: 0; }
.settings-nav {
    width: 218px;
    padding: 22px 14px;
    border-right-color: color-mix(in srgb, var(--border) 68%, transparent);
    background: color-mix(in srgb, var(--surface) 52%, transparent);
}
.settings-nav::before {
    content: "YOUR SPACE"; display: block; padding: 0 12px 12px;
    color: var(--text-muted); font-size: 10px; font-weight: 750; letter-spacing: 1.2px;
}
.settings-nav button {
    min-height: 42px; margin-bottom: 5px; padding: 10px 12px;
    border: 1px solid transparent; border-radius: 14px;
}
.settings-nav button:hover { background: color-mix(in srgb, var(--card-bg) 74%, transparent); }
.settings-nav button.active {
    background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 78%, #777bff));
    color: var(--accent-text);
    border-color: rgba(255,255,255,.22);
    box-shadow: 0 7px 18px color-mix(in srgb, var(--accent) 20%, transparent), inset 0 1px 0 rgba(255,255,255,.2);
}
.settings-nav button .nav-icon { width: 20px; height: 20px; opacity: .86; }
.settings-panes { padding: 26px; }
.settings-pane.active {
    min-height: 100%; padding: clamp(22px, 3vw, 34px);
    border: 1px solid color-mix(in srgb, var(--border) 70%, rgba(255,255,255,.8));
    border-radius: 24px;
    background: linear-gradient(145deg, color-mix(in srgb, var(--card-bg) 78%, transparent), color-mix(in srgb, var(--surface) 38%, transparent));
    box-shadow: 0 12px 34px rgba(44,57,79,.055), inset 0 1px 0 rgba(255,255,255,.76);
    animation: settingsPaneEnter .28s ease both;
}
.settings-pane h2 {
    margin-bottom: 20px; color: var(--accent); font-size: 11px;
    letter-spacing: 1.15px; font-weight: 750;
}
.settings-pane h2::after {
    content: ""; display: block; width: 34px; height: 3px; margin-top: 9px;
    border-radius: 3px; background: linear-gradient(90deg, var(--accent), rgba(125,160,255,.34));
}
.settings-pane .pane-intro { margin-top: -10px; margin-bottom: 22px; font-size: 13px; }
.theme-grid { gap: 12px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.theme-option { padding: 10px; }
.theme-option:hover { box-shadow: 0 8px 20px rgba(36,49,71,.1); }
.toggle-row, .settings-room-row, .role-row {
    border-radius: 16px;
    background: color-mix(in srgb, var(--card-bg) 62%, transparent);
    padding: 14px;
    border: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
}
.settings-pane textarea, .settings-pane input[type="password"], .settings-pane input[type="text"] {
    border-radius: 14px;
    background: color-mix(in srgb, var(--card-bg) 62%, transparent);
}
.settings-pane textarea:focus, .settings-pane input:focus {
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 10%, transparent);
}
.upload-btn, .btn-save { border-radius: 13px; }
.about-block { padding: 10px 0 22px; }
.about-block .about-mark { width: 58px; height: 58px; border-radius: 18px; }
.about-list { border: 1px solid var(--border); border-radius: 17px; overflow: hidden; padding: 0 14px; }
.about-list .about-row { min-height: 44px; }
@keyframes settingsPaneEnter {
    from { opacity: .55; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 760px) {
    .settings-screen { padding: 0; align-items: stretch; }
    .settings-card { min-height: 100dvh; max-height: 100dvh; border-radius: 0; }
    .settings-nav { width: 100%; padding: 10px 12px; }
    .settings-nav::before { display: none; }
    .settings-nav button { min-height: 40px; }
    .settings-panes { padding: 14px; }
    .settings-pane.active { padding: 20px; border-radius: 20px; }
    .theme-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 420px) {
    .settings-nav { gap: 2px; }
    .settings-nav button { gap: 6px; padding: 9px; font-size: 12px; }
    .settings-nav button .nav-icon { width: 16px; }
    .theme-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
    .settings-pane.active { animation: none; }
}

/* Keep the room rail vertically scrollable without exposing shader-canvas overflow sideways. */
.sidebar-rooms {
    overflow-x: hidden;
    overscroll-behavior-x: none;
}
.sidebar-rooms::-webkit-scrollbar:horizontal { display: none; height: 0; }

/* Meapri is attached only to controls; keep the room rail scrollable and clickable. */
.sidebar-rooms, #main-friends { overflow-x:hidden; overscroll-behavior-x:none; }
.sidebar-new-room-btn.liquid-glass, .menu-trigger.liquid-glass, .friends-tabs.liquid-glass { isolation:isolate; }
.friends-tabs.liquid-glass { overflow-x:auto; overflow-y:hidden; }
.app-sidebar .liquid-glass, .app-main .liquid-glass { color:var(--text); text-shadow:none; }
[data-theme="midnight"] .dropdown-menu#user-menu, [data-theme="carbon"] .dropdown-menu#user-menu,
[data-theme="midnight"] .new-room-popover, [data-theme="carbon"] .new-room-popover {
    color: var(--text); background: linear-gradient(145deg, rgba(48,51,62,.94), rgba(27,29,37,.92));
    border-color: rgba(255,255,255,.16);
}
.chat-search-bar, .pinned-messages, .typing-note { display:flex; align-items:center; gap:10px; padding:9px 16px; color:var(--text-muted); }
.chat-search-bar[hidden], .pinned-messages[hidden], .typing-note[hidden] { display:none; }
.chat-search-bar input { flex:1; min-width:0; border:1px solid var(--border); border-radius:14px; padding:9px 12px; background:var(--input-bg); color:var(--text); }
.chat-search-bar button, .pinned-messages button { border:0; border-radius:12px; padding:7px 10px; background:var(--glass); color:var(--text); cursor:pointer; }
.pinned-messages { overflow-x:auto; }
.pinned-messages button { display:inline-flex; align-items:center; gap:7px; white-space:nowrap; }
.pinned-messages svg, .message-tools svg { width:15px; height:15px; }
.typing-note { min-height:20px; font-size:12px; }
.message-tools { display:flex; gap:3px; opacity:0; transition:opacity .16s ease; }
.msg-bubble:hover .message-tools, .message-tools:focus-within { opacity:1; }
.message-tools button { border:0; padding:3px 5px; border-radius:8px; background:transparent; cursor:pointer; }
.message-tools button:hover { background:var(--surface); }
.reaction-list { display:flex; flex-wrap:wrap; gap:5px; margin-top:5px; }
.reaction-chip { border:1px solid var(--border); border-radius:999px; padding:3px 8px; background:var(--surface); color:var(--text); cursor:pointer; }
.reaction-chip.mine { border-color:var(--accent); }
.msg-row[hidden] { display:none !important; }
.about-version { border:0; background:transparent; color:var(--text-muted); cursor:pointer; font:inherit; margin-top:2px; }
.signal-egg[hidden] { display:none; }
.signal-egg { position:fixed; inset:0; z-index:9999; display:grid; place-items:center; padding:clamp(12px,3vw,44px); color:#e9f2ef; background:rgba(5,13,16,.88); backdrop-filter:blur(22px); -webkit-backdrop-filter:blur(22px); }
.signal-shell { width:min(1100px,100%); min-height:min(690px,calc(100dvh - 40px)); display:flex; flex-direction:column; overflow:hidden; border:1px solid rgba(188,224,213,.2); border-radius:22px; background:#0d191b; box-shadow:0 32px 100px rgba(0,0,0,.45); }
.signal-topbar,.signal-footer { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:18px 24px; }
.signal-topbar { border-bottom:1px solid rgba(220,244,235,.09); }
.signal-wordmark { display:flex; align-items:center; gap:10px; font-size:11px; letter-spacing:.1em; }
.signal-wordmark span { display:grid; place-items:center; width:28px;height:28px; border-radius:9px; color:#10201e; background:#b7e8d1; font-size:10px; font-weight:850; letter-spacing:-.05em; }
.signal-wordmark i { color:#83a49a; font-size:9px; font-style:normal; letter-spacing:.14em; }
.signal-close { width:36px;height:36px; border:1px solid rgba(220,244,235,.2); border-radius:50%; color:#eaf5ef; background:rgba(255,255,255,.04); font-size:22px; cursor:pointer; }
.signal-main { flex:1; display:grid; grid-template-columns:1.08fr .92fr; align-items:center; gap:clamp(28px,7vw,90px); padding:clamp(28px,6vw,78px); }
.signal-art { position:relative; width:min(100%,470px); aspect-ratio:1; justify-self:center; overflow:hidden; border:1px solid rgba(190,233,215,.15); border-radius:50%; background:radial-gradient(circle at 51% 48%,rgba(56,116,96,.22),transparent 40%),#10201f; box-shadow:inset 0 0 80px rgba(76,154,125,.07),0 0 90px rgba(68,134,109,.07); }
.signal-grid { position:absolute; inset:0; opacity:.28; background-image:linear-gradient(rgba(174,223,207,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(174,223,207,.09) 1px,transparent 1px); background-size:36px 36px; mask-image:radial-gradient(circle,#000 30%,transparent 75%); }
.signal-orbit { position:absolute; inset:15%; border:1px solid rgba(165,221,198,.2); border-radius:50%; }.orbit-two { inset:29%; border-style:dashed; opacity:.65; }
.signal-sweep { position:absolute; inset:9%; border-radius:50%; background:conic-gradient(from 0deg,transparent 0 77%,rgba(118,226,175,.18) 89%,transparent 100%); animation:signalSweep 12s linear infinite; }
.signal-center { position:absolute; left:50%;top:50%; transform:translate(-50%,-50%); display:grid; place-items:center; width:88px;height:88px; border:1px solid rgba(188,238,213,.55); border-radius:26px 26px 30px 20px; color:#0e211c; background:linear-gradient(145deg,#d0f3df,#74c5a0); box-shadow:0 0 42px rgba(107,222,169,.18); font-size:18px;font-weight:850;letter-spacing:-.08em; }
.signal-center i { position:absolute; right:5px;bottom:6px;width:8px;height:8px;border:2px solid #10201d;border-radius:50%;background:#6af0a5; }
.signal-dot { position:absolute;width:8px;height:8px;border-radius:50%;background:#9fe9c5;box-shadow:0 0 18px #79e0ad; }.dot-one { left:24%;top:29%; }.dot-two { right:22%;top:43%;width:5px;height:5px; }.dot-three { left:34%;bottom:20%;width:4px;height:4px; }
.signal-note { position:absolute; display:grid;gap:4px;padding:10px 13px;border:1px solid rgba(188,230,212,.18);border-radius:9px;background:rgba(16,34,32,.88);box-shadow:0 12px 28px rgba(0,0,0,.2); transform:rotate(-3deg); }
.signal-note small,.signal-coordinate { color:#88b9a2;font-size:8px;letter-spacing:.13em; }.signal-note b { color:#deeee5;font-size:11px;font-weight:550; }
.note-one { left:2%;top:31%; }.note-two { right:0;bottom:26%;transform:rotate(3deg); }.signal-coordinate { position:absolute;left:50%;bottom:9%;transform:translateX(-50%);white-space:nowrap; }
.signal-copy { max-width:400px; }.signal-kicker { color:#91c4a9;font-size:9px;letter-spacing:.18em;font-weight:750; }
.signal-copy h1 { margin:18px 0 14px;font-size:clamp(36px,5vw,58px);line-height:.99;letter-spacing:-.065em;font-weight:650; }.signal-copy h1 em { color:#a7d9bd;font-family:Georgia,serif;font-weight:400; }
.signal-copy p { max-width:350px;color:#a0b5ad;font-size:14px;line-height:1.75; }
.signal-ping { display:flex;align-items:center;gap:10px;margin-top:24px;padding:11px 16px;border:1px solid rgba(198,240,219,.45);border-radius:9px;color:#0d211a;background:#b6e7cd;font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:transform .2s,background .2s; }.signal-ping:hover { transform:translateY(-2px);background:#d0f4df; }
.ping-icon { display:grid;place-items:center;width:22px;height:22px;border-radius:6px;background:rgba(12,51,37,.12);font-size:17px; }
.signal-reply { margin-top:18px;color:#82a194;font:9px ui-monospace,SFMono-Regular,monospace;letter-spacing:.12em; }.signal-reply span { color:#c3e8d2; }
.signal-footer { border-top:1px solid rgba(220,244,235,.09);color:#6e8a80;font-size:8px;letter-spacing:.15em; }
.signal-sent .signal-center { animation:signalAck .7s ease; }.signal-sent .signal-sweep { animation-duration:2.6s; }.signal-sent .signal-dot { animation:signalBlink .6s ease 3; }
@keyframes signalSweep { to { transform:rotate(360deg); } } @keyframes signalAck { 40% { transform:translate(-50%,-50%) scale(1.12) rotate(5deg); box-shadow:0 0 72px rgba(107,222,169,.48); } } @keyframes signalBlink { 50% { opacity:.18; transform:scale(.55); } }
@media(max-width:700px) { .signal-shell { min-height:calc(100dvh - 24px);border-radius:16px; }.signal-main { grid-template-columns:1fr;gap:28px;padding:24px 22px;overflow:auto; }.signal-art { width:min(74vw,310px); }.signal-copy { justify-self:center; }.signal-copy h1 { font-size:42px; }.signal-copy p { font-size:13px; }.signal-footer { padding:14px 18px;font-size:7px; } }
@media(prefers-reduced-motion:reduce) { .signal-sweep { animation:none; }.signal-ping { transition:none; } }
.reduce-motion *, .reduce-motion *::before, .reduce-motion *::after { animation-duration:.01ms !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
.sidebar-room { position:relative; }
.unread-pill { margin-left:auto; min-width:20px; padding:2px 6px; border-radius:99px; background:var(--accent); color:var(--accent-text); font-size:10px; font-weight:700; text-align:center; }
@media (max-width:760px) { .message-tools { opacity:1; } .chat-search-bar,.pinned-messages,.typing-note { padding-inline:12px; } }

/* Treat the interface as controls, while keeping editable fields and chat copy selectable. */
body, body * { -webkit-user-select:none; user-select:none; }
body input, body textarea, body select, body [contenteditable="true"],
body .msg-bubble, body .msg-bubble * {
    -webkit-user-select:text;
    user-select:text;
}